Digital sphygmomanometer



FIG. 1 is a perspective view of a digital sphygmomanometer, showing my new design, shown with the lid closed,

FIG. 2 is a left side elevation view thereof,

FIG. 3 is a rear view elevation thereof,

FIG. 4 is a bottom plan view thereof, and

FIG. 5 is a perspective view thereof shown with the lid opened. 

The ornamental design for a digital sphygmomanometer, as shown. 